No need for repetition
Omit only if reverse edge exists (fixes #75)
Add refs from bag item to key items/TMs
Add image url to node data
Add screenshots to graph nodes
Merge branch 'graph-images' into gh-pages
GA tracking
GA tracking on graph page
Grid label text size matches main scale
Move scripts to end of body, GA inside body

This seems to give a consistent speed-up (80 to 100 ms)
Change p "Stuff:" to h3 "Stuff"
Remove hardcoded grid tick size
Add left-side table of contents
Move prefs above screens; fix toc levels
Add scrollspy
Section padding
Merge branch 'toc' into gh-pages
Adjusted Double/Triple battle coordinates.
Adjusted Overworld Pokémon coords.
Adjusted Run and Bag Cancel coords.